RECENTLY VIEWED
Skip to main content
DK Hardware Professional Tax Exempt? Net 30? - DK Net Terms
Roll over image to zoom in
Product Features
Product Overview
Related Videos
Reviews
Questions & Answers
Von Duprin CXA9957L-17-F 4 28 LHR RGO Delayed Egress Exit Device Satin Aluminum Clear Anodized
Item #: CXA9957L-17-F 4 28 LHR RGO by Von Duprin
See reviewsSee reviews
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now
30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.
Features
- Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
- Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
- Device centerline from finished floor: 3913/16" (1011 mm)
- Center case dimensions: 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
- Mechanism case dimensions: 2 1/4" x 2 1/4" (57mm x 57mm)
- Projection: Pushbar neutral – 3 13/16" (97 mm) Pushbar depressed – 3 1/16" (78 mm)
- Latch bolt: Deadlocking anti-friction top & bottom bolt, 5 /8" (16mm) throw Deadlocking rim bolt, 3 /4" (19mm) throw
- Door undercut: 1 /4" (7mm) recommended
- Top & bottom Latch case: 4 1/2" x 2 1/8" x 1 1/2" (114mm x 54mm x 38mm)
- Vertical rods: 1 /2" square tubing, standard rods accommodate 7' (2134mm) doors. Top rod length: 34 15/16" (887mm); Bottom rod length: 31 1/2" (794mm) Extension rods available in 1' (205mm) or 3' (914mm) for doors over 7'. One piece top rod is available for 8' (2438mm) and 10' (3048mm) doors.
- Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) to 2 1/4" (57mm) thick metal or wood doors, and 325 SNB for top and bottom latch. Optional 425 SNB available.
Door Material
Metal or Wood
Minimum Stile Size
Wide
Base Material
Aluminum
Color Code
628/US28
Trim Part No.
996L-R/V
Design A
17 Lever
Trim Type
Classroom Lever
Strike Top
299F (2)
Door Thickness
1 3/4 In. - 2 1/4 In.
Device Length
48 In.
Includes Trim
Yes
Door Width
34 In. - 48 In.
Package Qty
1
Mechanical Options
Fire Rated Device
Strike Bottom
304L
Device Type
3 Point
Includes Cylinder(s)
No
Cylinder Type
Rim
Special Marks
Fire rated 3 Hours {A}
Fire Rated
Yes {Variable}
Grade
Grade 1
Hand
LHR
Physical Appearance
Wide Stile Pushpad
Color
Satin Aluminum Clear Anodized
Mechanical Function
Lever Classroom
Door Height
84 In.
Trim Design
17-Lever
Handing
Left Hand Reverse
Origin
USA
BAA Qualified
Yes
Package Height
10.5
Package Length
49
Package Volume
2572.5
Package Width
5
Product Overview
Delayed Egress Exit Device, Three Point Latch, with Classroom Lever Trim, Fire Rated, Satin Aluminum Clear Anodized
The Von Duprin CHEXIT is a delayed egress option available on all 98/99, 98/99XP and 33A/35A series exit devices. It is commonly used in behavioral health, memory care, and maternity applications to prevent patient abduction or elopement and in retail stores for asset protection. All control inputs, auxiliary locking, local alarm and remote signaling outputs are self-contained. The CHEXIT can easily be integrated with access control, fire prevention and infant protection systems.
The 9957 Series covers stock hollow metal doors with 86 or 161 cutouts.
The 9957 Series by Von Duprin has a grooved case and is UL listed for panic exit hardware. The three-point latching device is non-handed except when the following device options are used: SD (special dogging), or SS (signal switch).